Optimization of a continuously variable transmission with emission constraints
Conference
·
OSTI ID:6629539
An optimization technique was developed which can be used to compute the optimal control strategy for an engine-continuously variable transmission (CVT) configuration subject to emission constraints. The engine/CVT system is represented as a function of the four independent variables: spark advance, air/fuel ratio, exhaust gas recirculation percentage, and CVT gear ratio. The Generalized Lagrange Multiplier Technique is used to optimize these variables at a set of drive shaft torque/speed points which represent operation of the vehicle over a drive cycle. Results are presented for idealized CVT's.
- OSTI ID:
- 6629539
- Report Number(s):
- CONF-810206-29
- Country of Publication:
- United States
- Language:
- English
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